How to set a pin to high impedance?

Getting Started
1

I am trying to implement Charlieplexing, and based on this discussion, it apparently requires setting a pin to high impedance…

2

@mprogers, simply set the pinMode() to INPUT :wink:

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3

Thank you (and for responding so quickly). Now I can go into class and sound knowledgeable … unless some of my students are reading this :grinning:

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